Electronic book



FIG. 1 is a perspective view of an electronic book showing our new design;

FIG. 2 is a front elevational view of the electronic book of FIG. 1;

FIG. 3 is a rear elevational view of the electronic book of FIG. 1;

FIG. 4 is a left side elevational view of the electronic book of FIG. 1;

FIG. 5 is a right side elevational view of the electronic book of FIG. 1;

FIG. 6 is a top plan view of the electronic book of FIG. 1; and,

FIG. 7 is a bottom plan view of the electronic book of FIG. 1.

The broken lines shown in the drawings represent portions of the electronic book that form no part of the claimed design. 

CLAIM The ornamental design for an electronic book, as shown and described. 